A New Compact High-Power Microwave Phase Shifter

作者：Chang Chao^*; Guo Letian; Tantawi Sami G; Liu Yansheng; Li Jiawei; Chen Changhua; Huang Wenhua

来源：IEEE Transactions on Microwave Theory and Techniques, 2015, 63(6): 1875-1882.

DOI：10.1109/TMTT.2015.2423281

• High power microwave (HPM)
• phase shifter (PS)

A new compact low-loss fast phase-shift high-power microwave (HPM) phase shifter (PS) is proposed, designed, and cold and high-power tested. Firstly, based on solving the scattering matrix and eigenvectors, we design a novel HPM dual circular polarizer, and then a dumbbell-like metal plug driven by a high-speed servomotor is used to slide a short circuit along the dual circular polarized port to adjust the output RF phase, which varies 180 degrees by moving the plug with a quarter of the guided wavelength. The X-band PS has a total length of 9.5 cm and a power capacity achieved 300 MW at 30-ns HPM pulse. A fast phase shift of 310 degrees was achieved within 0.1 s in test, a high precision of phase shift 1 degrees can be realized, and the tested insertion loss was <0.15 dB.

• 出版日期2015-6
• 单位西北核技术研究所; 西安交通大学